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recorder: jpeg_idct_arm.S: use explicit register pair for ldrd

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Change-Id: Ic76b4ed4d2a3bea16937a5880502f0a57dd4e556
This commit is contained in:
mojyack 2026-04-24 23:43:34 +09:00
parent d8db60b34a
commit a446c06b21
1 changed files with 8 additions and 8 deletions
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16
apps/recorder/jpeg_idct_arm.S
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@ -225,7 +225,7 @@ jpeg_idct4v:
ldmia sp!, { r4-r8, pc } ldmia sp!, { r4-r8, pc }
#else /* ARMv6+ */ #else /* ARMv6+ */
stmdb sp!, { r4-r10, lr } stmdb sp!, { r4-r10, lr }
ldrd r2, .Lpool4 ldrd r2, r3, .Lpool4
mov r12, #1024 mov r12, #1024
1: 1:
ldr r6, [r0, #32] ldr r6, [r0, #32]
@ -371,7 +371,7 @@ jpeg_idct4h:
ldmia sp!, { r4-r9, pc } ldmia sp!, { r4-r9, pc }
#else /* ARMv6+ */ #else /* ARMv6+ */
stmdb sp!, { r4-r9, lr } stmdb sp!, { r4-r9, lr }
ldrd r4, .Lpool4 ldrd r4, r5, .Lpool4
mov r9, r4, lsr #16 mov r9, r4, lsr #16
1: 1:
ldmia r0, { r12, r14 } ldmia r0, { r12, r14 }
@ -853,7 +853,7 @@ jpeg_idct8v:
bcc 1b bcc 1b
ldmia sp!, { r4-r11, pc } ldmia sp!, { r4-r11, pc }
2: 2:
ldrd r8, .Lpool8 ldrd r8, r9, .Lpool8
mov r12, r4, lsl #16 mov r12, r4, lsl #16
add r10, r5, r7 /* r10 = d2 + d6 */ add r10, r5, r7 /* r10 = d2 + d6 */
add r12, r12, #8192 add r12, r12, #8192
@ -873,7 +873,7 @@ jpeg_idct8v:
sadd16 r8, r3, r6 /* z3, z4 */ sadd16 r8, r3, r6 /* z3, z4 */
stmdb sp, { r10-r12, r14 } /* tmp10 tmp13 tmp11 tmp12 */ stmdb sp, { r10-r12, r14 } /* tmp10 tmp13 tmp11 tmp12 */
smuad r5, r9, r8 /* r5 = z5 = (z3[o] + z4[o]) * 9633 */ smuad r5, r9, r8 /* r5 = z5 = (z3[o] + z4[o]) * 9633 */
ldrd r10, .Lpool8+8 ldrd r10, r11, .Lpool8+8
sadd16 r7, r4, r6 /* r7 = (z1, z2) */ sadd16 r7, r4, r6 /* r7 = (z1, z2) */
smlatt r9, r10, r8, r5 /* r9 = z4 = z5 - z4 * 16069 */ smlatt r9, r10, r8, r5 /* r9 = z4 = z5 - z4 * 16069 */
smlabb r8, r10, r8, r5 /* r8 = z3 = z5 - z3 * 3196 */ smlabb r8, r10, r8, r5 /* r8 = z3 = z5 - z3 * 3196 */
@ -881,7 +881,7 @@ jpeg_idct8v:
smlabb r12, r11, r7, r8 /* r12 = z1 + z3 */ smlabb r12, r11, r7, r8 /* r12 = z1 + z3 */
smlatt r5, r11, r7, r9 /* r5 = z2 + z4 */ smlatt r5, r11, r7, r9 /* r5 = z2 + z4 */
smlatt r7, r11, r7, r8 /* r7 = z2 + z3 */ smlatt r7, r11, r7, r8 /* r7 = z2 + z3 */
ldrd r8, .Lpool8+16 ldrd r8, r9, .Lpool8+16
smlabt r7, r9, r4, r7 /* r7 = tmp2 */ smlabt r7, r9, r4, r7 /* r7 = tmp2 */
smlatb r14, r9, r4, r14 /* r14 = tmp3 */ smlatb r14, r9, r4, r14 /* r14 = tmp3 */
ldmdb sp, { r4, r9-r11 } /* tmp10 tmp13 tmp11 tmp12 */ ldmdb sp, { r4, r9-r11 } /* tmp10 tmp13 tmp11 tmp12 */
@ -958,7 +958,7 @@ jpeg_idct8h:
bcc 1b bcc 1b
ldmia sp!, { r4-r11, pc } ldmia sp!, { r4-r11, pc }
2: 2:
ldrd r8, .Lpool8 ldrd r8, r9, .Lpool8
sadd16 r10, r5, r7 /* r10 = (d2 + d6, d3 + d7) */ sadd16 r10, r5, r7 /* r10 = (d2 + d6, d3 + d7) */
ssub16 r12, r4, r6 /* r12 = (d0 - d4, d1 - d5) */ ssub16 r12, r4, r6 /* r12 = (d0 - d4, d1 - d5) */
sadd16 r11, r4, r6 /* r11 = (d0 + d4, d1 + d5) */ sadd16 r11, r4, r6 /* r11 = (d0 + d4, d1 + d5) */
@ -977,7 +977,7 @@ jpeg_idct8h:
add r12, r7, r12, lsl #13 /* r12 = tmp11 */ add r12, r7, r12, lsl #13 /* r12 = tmp11 */
stmdb sp, { r10-r12, r14 } /* tmp10 tmp13 tmp11 tmp12 */ stmdb sp, { r10-r12, r14 } /* tmp10 tmp13 tmp11 tmp12 */
smuad r5, r9, r8 /* r5 = z5 = (z3[o] + z4[o]) * 9633 */ smuad r5, r9, r8 /* r5 = z5 = (z3[o] + z4[o]) * 9633 */
ldrd r10, .Lpool8+8 ldrd r10, r11, .Lpool8+8
sadd16 r7, r4, r6 /* r7 = (z1, z2) */ sadd16 r7, r4, r6 /* r7 = (z1, z2) */
smlatt r9, r10, r8, r5 /* r9 = z4 = z5 - z4 * 16069 */ smlatt r9, r10, r8, r5 /* r9 = z4 = z5 - z4 * 16069 */
smlabb r8, r10, r8, r5 /* r8 = z3 = z5 - z3 * 3196 */ smlabb r8, r10, r8, r5 /* r8 = z3 = z5 - z3 * 3196 */
@ -985,7 +985,7 @@ jpeg_idct8h:
smlabb r12, r11, r7, r8 /* r12 = z1 + z3 */ smlabb r12, r11, r7, r8 /* r12 = z1 + z3 */
smlatt r5, r11, r7, r9 /* r5 = z2 + z4 */ smlatt r5, r11, r7, r9 /* r5 = z2 + z4 */
smlatt r7, r11, r7, r8 /* r7 = z2 + z3 */ smlatt r7, r11, r7, r8 /* r7 = z2 + z3 */
ldrd r8, .Lpool8+16 ldrd r8, r9, .Lpool8+16
smlabt r7, r9, r4, r7 /* r7 = tmp2 */ smlabt r7, r9, r4, r7 /* r7 = tmp2 */
smlatb r14, r9, r4, r14 /* r14 = tmp3 */ smlatb r14, r9, r4, r14 /* r14 = tmp3 */
ldmdb sp, { r4, r9-r11 } /* tmp10 tmp13 tmp11 tmp12 */ ldmdb sp, { r4, r9-r11 } /* tmp10 tmp13 tmp11 tmp12 */